As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PS-2 INSPECTION FOUND THE 4TH EMERGENCY CEILING LIGHT INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE BULB PER CRJ700 AMM 33-51-09. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.